Persistence pays off for Greenwire reporter Darren Samuelsohn who filed his first Freedom of Information Act request for it back in July 2008, re-filed it in January 2009 at the start of the Obama administration, and finally received it October 13, 2009.

Use this roundup of sources to write a probing story about the ash, slag, and sludge from coal-burning electric utilities — which containins heavy metals that can pollute water, and even bury people's houses.

OMB Watch, a fierce FOI advocacy group, says EPA has been working hard to push hitherto restricted data out to the public, citing the earliest-ever release of TRI data, monitoring data on atrazine in water, and more.

Several media organizations have joined the case of a Puget Sound resident denied information, under the "law enforcement" exemption to FOIA, that would identify the locations and potential blast ranges of explosive ordnance stored in the area.